PlainZIP

Whitehorse, SD · standard

ZIP Code 57661

Dewey County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

88
2/sq mi
$55,000
Median income
5.8%
Bachelor's or higher

The verdict

Whitehorse pairs one of the lowest household incomes in the country, in a rural, renter-heavy area.

21th pct
household income, US ZIPs
2
people per sq mi
29%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57661 against every reporting US ZIP.

ZIP code 57661 is a sparsely populated ZIP (a standard USPS delivery area) in Whitehorse, Dewey County, South Dakota, home to just 88 residents across 55.0 square miles, a density of 2 people per square mile, in the Denver time zone.

ZIP 57661 reports a modest median household income of $55,000 (28% below the South Dakota average), while per-capita income is $14,135. 29.4% of residents live below the poverty line, and the unemployment rate reads 29.8%. Housing costs here run - for a typical home value, with rent averaging $616 a month; 28.6% of homes are owner-occupied.

Formal educational attainment runs low here: just 5.8% of adults hold a bachelor's degree or higher, the median age is 29.8, and the average commute is -. A geography-based comparison follows: 1 ZIP codes within about 10 miles of 57661, plus 6 more within Dewey County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57661, Whitehorse, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

88

Population

55.0

Area (sq mi)

2

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57661?

29.8

Median Age

55.9%

Male

44.1%

Female

0.0%

Foreign-Born

White 3.4%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 95.5%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.1%
Hispanic or Latino 1.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$55,000

Median Household Income

-28% vs state

$14,135

Per Capita Income

29.4%

Poverty Rate

29.8%

Unemployment Rate

How ZIP 57661 ranks nationally

Whitehorse, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$55,000 21st percentile higher than 21% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 43.3%
Bachelor's Degree or Higher 5.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

56

Total Housing Units

56

Occupied Units

0

Vacant Units

3.16

Avg Household Size

Occupancy Type

Owner 28.6%
Renter 71.4%

$616

Median Rent

1978

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nearby ZIP Codes

Want a side-by-side? Compare 57661 vs 57656 →

ZIP Code City Population Distance
57656 Timber Lake, SD 723 10.7 mi

More ZIP Codes in Dewey County

57625 standard
Eagle Butte, SD
Pop: 4,230
57656 standard
Timber Lake, SD
Pop: 723
57633 standard
Isabel, SD
Pop: 414
57652 standard
Ridgeview, SD
Pop: 402
57636 standard
Lantry, SD
Pop: 164
57630 standard
Glencross, SD
Pop: 32

Related Areas

Dewey County Whitehorse, SD South Dakota

Frequently Asked Questions

What county is ZIP code 57661 in? ▼
ZIP code 57661 (Whitehorse) is located in Dewey County, South Dakota. Dewey County contains multiple ZIP codes, see the full list at /counties/dewey-sd.
What is the population of ZIP code 57661? ▼
ZIP code 57661 in Whitehorse, SD has a population of 88 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 57661? ▼
The median household income in ZIP 57661 is $55,000, which is 28% below the national average of $76,288.
What is the demographic makeup of ZIP 57661? ▼
The largest racial group in ZIP 57661 is American Indian or Alaska Native at 95.5%. Hispanic or Latino residents make up 1.1% of the population.
What is the education level in ZIP code 57661? ▼
In ZIP code 57661, 43.3% of residents aged 25+ have a high school diploma or higher, and 5.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 57661? ▼
In ZIP code 57661, approximately 28.6% of occupied housing units are owner-occupied and 71.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 57661? ▼
The poverty rate in ZIP code 57661 is 29.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.